The average of 25 observations is 13. It was later found that an obser – McqOptions

MCQOPTIONS

1.	The average of 25 observations is 13. It was later found that an observation 73 was wrongly entered as 48. The new average is
A.	12.6
B.	14
C.	15
D.	13.8
Answer» C. 15

Discussion

No Comment Found

Related MCQs

There are three baskets of fruits. First basket has twice the number of fruits in the 2nd basket. Third basket has 3/4th of the fruits in the first. The average of the fruits in all the baskets is 30. What is the number of fruits in the first basket?
MNOABCPQRDEFST
In the following question, A stands for any of the mathematical signs at different places, which are given as choices under each ques¬tion. Select the choice with the correct sequence of signs which when substituted makes the ques¬tion as a correct equation. 24 D 4 D 5 D 4
In a survey of a town, it was found that 65% of the people surveyed watch the news on-T.V., 40% read a newspaper and 25% read a newspaper and watch the news on T.V. What per cent of M, the people, surveyed neither watch the news on T.V. nor read a newspaper?
Rahul and Robin are brothers. Pramod is Robin's father. Sheela is Pramod's sister. Prema is Pramod's niece. Shubha is Sheela's granddaughter. How is Rahul related to Shubha?
Find out the set of numbers amongst the four sets of numbers given in the alternatives which is most like the set given in the question. Given Set: (8, 56,72)
if(3/5)3 (3/5)-6=(3/5)2x-1 then x is equal to
The number 0.121212.... in the form p/q is equal to
A man bought oranges at the rate of 8 for Rs. 34 and sold them at the rate of 12 for Rs. 57. How many oranges should be sold to earn a net profit of Rs. 45?
An article is marked 40% above the cost price and a discount of 30% is allowed. What is the gain or loss percentage?